Alcor

Are you passionate about innovating at the intersection of technology and personal security? We recognize that the human voice is a unique personal identifier, increasingly susceptible to sophisticated fraud, including the threat of deepfakes. We're leading the way in developing cutting-edge authentication, fraud prevention, and deepfake detection. Our mission is to provide seamless and secure digital experiences, safeguarding the most personal aspect of our identity: our voice. 

Headquartered in Atlanta, GA, we are backed by world-class investors such as Andreessen-Horowitz, IVP, and CapitalG.
 

What you'll do

As a Senior Software Engineer, you will play a critical role in the development and maintenance of software applications and systems. You will be responsible for contributing to complex software projects, providing technical expertise, and working with a team of talented engineers. You will expand capabilities, bring new solutions to market. As a member of the Core DNA (Data and Access) services team you will be responsible for systems which enable customer calls to be analyzed for risk and fraud.

More specifically, you will:

• Software Development: Design, develop, test, and maintain our complex software applications, ensuring high-quality code and adherence to best practices. Play a critical role in the development and maintenance of our software products by designing, building, evolving, and scaling state-of-the-art solutions for our platform.
• Technical Leadership: Provide technical leadership and guidance to junior engineers and the development team, including code reviews, architecture advice, and mentoring.
• Architecture and Design: Contribute to the design and architecture of software systems, ensuring scalability, maintainability, and performance
• Problem Solving: Analyze and solve complex technical problems, and make recommendations for improvements and optimizations.
• Quality Assurance: Implement and advocate for best practices in testing and quality assurance, including unit testing, integration testing, and automated testing.
• Code Review: Participate in code reviews and provide constructive feedback to ensure code quality and consistency.
• Research and Innovation: Stay current with emerging technologies, tools, and programming languages and apply them where relevant to improve software development processes.
• Security and Compliance: Ensure software adheres to security standards and compliance requirements, addressing vulnerabilities and potential risks.

Your skill-set:

• Must Have:
  • 5-7+ Years of software development experience
  • Experience working with Golang.
  • Experience with cloud computing environments, especially AWS and GCP and container-based deployment using Docker and Kubernetes.
  • Experience operating services in production environments
  • Experience with CI/CD using Jenkins, GIT
  • Linux/Unix system internals
  • A strong understanding of software design principles, software architecture and design patterns as well as software development best practices, including testing, version control, and continuous integration.
  • Experience with infrastructure as code tools like Terraform or AWS CDK

• Nice to Have:
  • Experience with Python
  • Experience with IAM solutions and SAML Assertions
  • IT Security and compliance
  •  

Who you are

• You are resilient in the face of challenges, change, and ambiguity
• You are optimistic and believe that you can make a problem into a solution
• You are resourceful, excited to uncover innovative solutions and teach yourself something new when needed
• You take accountability, do the things you say youll do, under-promise and over-deliver
• You are a strong problem-solver with excellent analytical skills.
• You are an owner and enjoy taking on project leadership as well as mentorship
• You are a strong verbal and written communicator

About the Product

Join a company at the forefront of fraud prevention, authentication, and deepfake detection. Its highly scalable platform processes billions of calls annually with tens of thousands of concurrent sessions. Operating in a cutting-edge domain (Gen AI, Deepfake detection), the company utilizes a modern tech stack on a multi-cloud platform (AWS & GCP). It was selected as a winner for the 2025 Cybersecurity Excellence Awards in the Fraud Prevention category! With 150+ issued patents and another 150 in progress, it continues to drive deep-tech innovation. Backed by top investors, the company serves leading global enterprises and maintains an international presence across the US, Canada, UK, and Ukraine. Its groundbreaking work is frequently featured in the press/media.

Responsibilities:

• Design, develop, test, and maintain scalable and high-performance software solutions.
• Provide mentorship to team members, conduct code reviews, and ensure adherence to best practices.
• Contribute to system architecture, focusing on scalability, security, and maintainability.
• Analyze and resolve complex technical challenges, optimizing system performance.
• Implement best practices in testing, including unit, integration, and automated testing.
• Participate in peer code reviews to maintain consistency and high code quality.
• Ensure software meets security standards and compliance requirements.

• Stay updated with emerging technologies and integrate innovative solutions into development processes.

   

Requirements:

• 5-7+ years of experience in software development
• Strong proficiency in Golang
• Experience with AWS & GCP and containerization (Docker, Kubernetes)
• Hands-on experience with CI/CD (Jenkins, Git)
• Knowledge of Linux/Unix system internals
• Understanding of software architecture and design patterns

• Experience with Infrastructure as Code (Terraform, AWS CDK)

   

Nice to have:

• Experience with Python
• Knowledge of IAM solutions, SAML Assertions, and IT security

Who we are
Are you passionate about innovating at the intersection of technology and personal security? We recognize that the human voice is a unique personal identifier, increasingly susceptible to sophisticated fraud, including the threat of deepfakes. We're leading the way in developing cutting-edge authentication, fraud prevention, and deepfake detection. Our mission is to provide seamless and secure digital experiences, safeguarding the most personal aspect of our identity: our voice. Here, you'll be part of a team driven by values of Innovation, Customer Advocacy, Excellence, and Impact. We're not just creating a safer digital landscape by fortifying trust and integrity with those we serve, were also building a dynamic, supportive workplace where your contributions make a real difference.

Headquartered in Atlanta, GA, backed by world-class investors such as Andreessen-Horowitz, IVP, and CapitalG.

We are looking for an ML Data Engineer to join the Speech Research team to help us in the development of our deepfake detection products. This candidate will work in a world-class team of researchers and will play a key role in developing the next generation of voice security suite. This role will touch various use cases at the forefront of the Pindrop vision.
 

What you`ll do

• Design and maintain datasets for ML model training including data collection, data augmentation and storage
• Develop and maintain tools for data collection, augmentation, and visualization
• Contribute to research packages to train and test ML models
• Conduct experimental studies on various audio processing tasks to assess accuracy and quality of pre-existing models

• Contribute to the research teams activities including regular research reviews and code reviews

   

Who you are

• You are a creative problem solver who is excited about building amazing products that add real value to millions of people
• You are enthusiastic about audio processing as well as transferring research ideas into products
• You can explain complex topics in simple terms, and you love collaborating and building strong relationships with colleagues and stakeholders
• You are a self-starter and excel in a fast-paced dynamic environment that often includes ambiguity
• You have a proven track record of successful and timely project delivery
• You are resilient in the face of challenges, change, and ambiguity
• You are optimistic and believe that you can make a problem into a solution
• You are resourceful, excited to uncover innovative solutions and teach yourself something new when needed
• You take accountability, do the things you say youll do, under-promise and over-deliver

• You are nimble and adaptable when priorities change and continue to see the forest through the trees

   

Your skill-set:

• 3+ years of professional experience as a data engineer in Deep Learning, preferably, in automatic speech recognition, natural language processing, speaker recognition or model compression or in general machine learning
• Experience in the preparation of data for ML model training and evaluation
• Strong Python skills required
• Experience with ML frameworks: TensorFlow, Keras, PyTorch
• Masters degree or PhD in a quantitative field (Computer Science, Mathematics, Engineering, Artificial Intelligence, etc.) or equivalent experience required
• Preferably, you have experience on working with audio/visual data and data collection
• Preferably, you have experience in JavaScript, HTML, CSS or React JS
• Preferably, you have knowledge of biometrics, authentication, fraud, or customer experience concepts
• Preferably, you have experience communicating with internal and external customers around proof-of-concepts, issues, etc.
  
   

About the Company:

Our partner empowers content creators with an AI personal assistant that clones their voice and personality, providing tools for monetization like AI-driven chats, paywalls, and pay-to-view videos. The platform supports creators across industries, enhances fan engagement through AI-based characters, and reduces reliance on managers, ensuring creators retain more revenue.
 

With a strong focus on safety, the platform integrates AI-based moderation to manage NSFW content and ensure effective compliance with guidelines. A beta launch is imminent, with a full release planned for April. The MVP includes creator onboarding, paywalls, and subscription features, with future plans to develop fully fictitious AI creators and refine payment systems.

About the Role:

We are looking for a Python Prompt Engineer to join our team and take ownership of integrating and optimizing Large Language Models (LLMs) in real-world applications. This role plays a pivotal part in shaping AI-driven user interactions, ensuring high-quality prompt design, model efficiency, and seamless API integration.

Required Skills and Experience:

✅ 5+ years of Python development, with real-world exposure to integrating prompt engineering into AI workflows.
✅ Hands-on experience with Llama and its integration into AI-driven platforms.
✅ Expertise in optimizing prompts for LLMs in live production settings.
✅ Proficiency in building and refining APIs that utilize AI models for user interactions.
✅ Deep understanding of context window limitations, summarization techniques, and chaining prompts for effective LLM utilization.
✅ Solid Python expertise, demonstrated in production-grade AI solutions.
✅ Experience with multi-modal AI (text, image, video) and recommendation systems.
✅ Proven ability to optimize and deploy AI models at scale.
✅ Strong knowledge of prompting techniques, soft prompting, and fine-tuning to maximize LLM performance.

Attributes We Value:

🔹 Curious & creative mindset – focusing on how users interact with AI systems.
🔹 Proactive problem solver – comfortable resolving technical challenges in live environments.
🔹 Passion for blending AI technology with content creation to redefine audience engagement.

Work Conditions:

✨ Join an innovative, fast-growing startup that is redefining content creation with cutting-edge AI solutions. Be part of a visionary team pushing the boundaries of AI-driven engagement and monetization.

✅ Full-time, long-term collaboration – we’re looking for a dedicated expert to grow with us.
✅ B2B contract in Poland – secure and structured collaboration.
✅ Hybrid work model – at least 3+ days per week in our modern, centrally located Warsaw office (right in the heart of the city!).
✅ Competitive salary: $6000–$8000 USD/month (open to discussion if your expertise truly wows us!)
✅ Sign-in bonus: $2500 USD paid on your first working day.
✅ Relocation support:

• If you are in another city in Poland, we can assist with relocation to Warsaw (relocation bonus – discussable).

• If you are in Ukraine and have the ability to move to Warsaw, we are open to discussing support options.

   

Why Join Us?

• Be part of an innovative team working on cutting-edge AI tools that empower content creators, build unique AI-generated characters, and redefine audience interaction and monetization.
• 🚀 If you're passionate about LLMs, AI-powered experiences, and prompt engineering, we'd love to hear from you!